Home / 1,075,208,519.30-1,611,679,038.15-419,906,336.90

Finding the Fourth Proportional to 1,075,208,519.30, 1,611,679,038.15 and 419,906,336.90

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Solution

The fourth proportional to 1,075,208,519.30, 1,611,679,038.15 and 419,906,336.90 is: 629,416,740.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,208,519.30 : 1,611,679,038.15 = 419,906,336.90 : x
  2. Step 2: Convert to fraction form
    1,075,208,519.30/1,611,679,038.15 = 419,906,336.90/x
  3. Step 3: Cross multiply
    1,075,208,519.30x = 1,611,679,038.15 × 419,906,336.90
  4. Step 4: Simplify right side
    1,075,208,519.30x = 676,754,241,168,081,792
  5. Step 5: Solve for x
    x = 676,754,241,168,081,792/1,075,208,519.30
  6. Step 6: Final answer
    x = 629,416,740.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.